OpenTechnical

OT-2026-000013686

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000013686) never changes.

Identity and time

Publication numberOT-2026-000013686 · never reused
Internal UUID01a0ae6d-8de8-7dd1-9f8d-b9c7f8f11e71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013686
StatusPUBLIC

Content hashes

Canonical text0a15a464172b62a212107e9258d3f16928f2cee23cf4f2b52820701f4737c397
Markdown12f745d7dcb7d952c7293c0e462e8da68a6d3e055c524d77ee0a3d9b80c86876
PDF
Publication pagecca7f15684ab23a8e677c4955805f98bba2319acf9c16ae51345285118700418
Manifest32f9239f0a28011cb655738c0bd690d556f0f647a2fa1d59a4e7d51dcd73fcd7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturefuscRIoKwIZ5nei7wSUXk1Mih7qLDWpIPAG888k96/ecdUbeZ+oNzyZcRUYOLCBcgNudY2eQOktx/Kpp4kpXBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:08:38.157463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013686
observed cca7f15684ab23a8e677c4955805f98b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.136540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013686/manifest.json
observed 32f9239f0a28011cb655738c0bd690d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.118067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013686/publication.md
observed 12f745d7dcb7d952c7293c0e462e8da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.098905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013686/publication.txt
observed 0a15a464172b62a212107e9258d3f169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.